Count the Books on Shelf

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?




Similar Riddles

What has no start, end, or centre?

Asked by Neha on 02 Sep 2023


In a classic wine shop, the list of three most popular wines are:
- The cost of 1 French wine bottle: 500$
- The cost of 1 German wine bottle: 100$
- The cost of 20 Dutch wine bottles: 100$

John entered the wine shop and he needs to buy
- All three types of wine bottles.
- Needs to buy Dutch wine bottles in multiples of 20.
- Need to buy 100 wine bottles in total.

John has only 10000$. How many wine bottles of each type, John must buy?

Asked by Neha on 19 Aug 2023

John buys rice at Rs.60/kg from Britain and then sells them at Rs.5/kg in India. As a result of this, he becomes a millionaire. How come?

Asked by Neha on 22 Jun 2023


Edward James went for tiger hunting.

It was not his lucky day.



He got six tigers without heads, nine tigers without the tail and eight cut in two halves.

How many tiger did he hunted ?

Asked by Neha on 22 Apr 2021

The barber of Town shaves all men living in the town. No man living in the town is allowed to shave himself. The barber lives in that town. Who then shaves the barber of the town?

Asked by Neha on 25 Oct 2021

What is the next number in this matchsticks series riddle?

Next Number In Matchstick Series

Asked by Neha on 27 Apr 2021


A detective visits his friend John just to discover that John's neighbour Dr Jacob was murdered. Dr Jacob, who is a mathematician wrote the murderer's name in a code word "Hcqtfz". There were five suspects
1. Ajit
2. Pankaj
3. Ganpat
4. Deenu
5. Hariya

The Detective was instantly able to find the murderer.
Can you?

Asked by Neha on 06 Jan 2026

No matter how little or how much you use me, you change me every month. What am I?

Asked by Neha on 27 Jul 2025

I can write cow in 13 letters.

Can You?

Asked by Neha on 03 Oct 2024


Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

Asked by Neha on 07 Nov 2025

Hot Articles

Amazing Facts

Rubik’s Cube

The inventor of the Rubik’s Cube didn’t realize he’d built a puzzle until he scrambled it the first time and tried to restore it.